Teenage boy spies on neighbor


So I watched an old movie in the past but I don't remember the name of that movie and my friends need that movie, I'm gonna tell about things that I remember about the movie

1. It featured the song "Sh-boom" from crew cuts at the beginning of the movie
2.the teenage boy spy on a neighbor lady, she is a mom and lives with her rude husband
3.boy once writes the latter to that neighbor of his
4.they(boy and lady neighbor) had sex eventually.